/*
 * (C) 2009, Elephant Seven Hamburg Gmbh, 
 * Author: Detlev Wiese
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 
 * use this file except in compliance with the License. You may obtain a copy 
 * of the License at
 *  
 *     http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.se and its accompanying notice file is
 * included with the distribution. 
 */ 
package com.e7.streams;

/**
 * This class provides functionality to limit the number of elements 
 * delivered for some other stream. 
 * @param <E> The type of the elements delivered
 */
public class LimitedCountStream<E> extends LimitedStream<E> {

	/**
	 * Create an instance!
	 * @param count The maximum number of elements delivered by the 
	 * instance! 
	 * @param stream The underlying stream, which is to be limited. 
	 */
	public LimitedCountStream(final int count, Stream<E> stream) {
		super(new Predicate<E>() {
				int c = 0;
				public boolean value(E object) {
					return c++ >= count;
				}
			}, 
			stream);
	}

	/**
	 * Syntactic sugar only.
	 * See {@link LimitedCountStream#LimitedCountStream(int, Stream)}. 
	 */
	public LimitedCountStream(Stream<E> stream, final int count) {
		this(count, stream); 
	}
}
